81504792

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 231550440

約数和(自身を除く): 150045648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 438, 584, 648, 657, 876, 1314, 1723, 1752, 1971, 2628, 3446, 3942, 5169, 5256, 5913, 6892, 7884, 10338, 11826, 13784, 15507, 15768, 20676, 23652, 31014, 41352, 46521, 47304, 62028, 93042, 124056, 125779, 139563, 186084, 251558, 279126, 372168, 377337, 503116, 558252, 754674, 1006232, 1116504, 1132011, 1509348, 2264022, 3018696, 3396033, 4528044, 6792066, 9056088, 10188099, 13584132, 20376198, 27168264, 40752396, 81504792]

約数ペア:

[(1, 81504792), (2, 40752396), (3, 27168264), (4, 20376198), (6, 13584132), (8, 10188099), (9, 9056088), (12, 6792066), (18, 4528044), (24, 3396033), (27, 3018696), (36, 2264022), (54, 1509348), (72, 1132011), (73, 1116504), (81, 1006232), (108, 754674), (146, 558252), (162, 503116), (216, 377337), (219, 372168), (292, 279126), (324, 251558), (438, 186084), (584, 139563), (648, 125779), (657, 124056), (876, 93042), (1314, 62028), (1723, 47304), (1752, 46521), (1971, 41352), (2628, 31014), (3446, 23652), (3942, 20676), (5169, 15768), (5256, 15507), (5913, 13784), (6892, 11826), (7884, 10338)]